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ITSC-24: Tromsø, Norway, 16 - 22 March 2023

Northern lights over Tromsø

    Latest News: Third Circular (PDF)

    Registration and Abstract Submission

    The 24th International TOVS Study Conference will be hosted by Met Norway from 16 to 22 March 2023 in Tromsø, Norway. The abstract deadline has passed, but registrations are still open.

    Please note that ITSC-24 will be an in-person conference. We do not plan to offer a virtual attendance option. To submit abstracts to the conference, please complete the attendance and abstract form found at:


    The conference hotel for the ITSC-24 is the Radisson Blu Hotel. Located just 4 kilometers from Langnes Airport, the newly renovated Radisson Blu is right in the center of the city.

    Please note the Radisson Blu Booking Link  is available again for making hotel reservations in our group.

    newEuropean Meteorological Society Young Scientist Award

    Application deadline: 5 December 2022
    The European Meteorological Society invites applications for a Young Scientist Conference Award (YSCA) to support the participation of one young scientist at the International TOVS Study Conferences (ITSC), Tromsø, Norway, 16 – 22 March 2023. The award includes financial support for travel expenditures of 500€. For details, please visit

    Previous Circulars

    Second Circular (PDF)

    First Circular (PDF)


    Instructions on how to make a donation to ITSC-24 (PDF)

    ITSC-24 Donation Link

    Topics for ITSC-24

    The conference will cover a wide range of topics concerning atmospheric sounding, its applications, and related issues. We propose that key issues for this meeting include:

    • Evaluation of sounder data from FY-3E and FY-4B;
    • Preparation for assimilation and exploitation of data from MTG-IRS and IASI-NG;
    • Updates on exploitation of current operational sounders including ATOVS, ATMS, SSMIS, AIRS, IASI, CrIS;
    • Preparation for retirement of NOAA-18/19, Metop-B/C, and Aqua satellites;
    • Assimilation of microwave and infrared sounder data over polar regions;
    • All-sky assimilation of microwave and infrared sounder data;
    • Retrieval of temperature and moisture profiles from microwave and infrared sounding data;
    • Climate Data Records derived from infrared and microwave sounder data;
    • Direct readout software for Metop, Metop-SG, FY3, and JPSS sounders;
    • Low-latency sounder data from DBNet;
    • Radiative transfer model development and validation;
    • Studies and results for future infrared and microwave sounders;
    • AI/ML techniques and applications relevant to infrared and microwave sounder data analysis and utilization;
    • Updates on Satellite Programs and International Coordination (WMO, CGMS).

    Important Dates

    Draft Program 15 December 2022
    Deadline for Early Bird Registration Fee (US$750) 15 January 2023
    Final Program 15 February 2023
    Deadline for US$850 Registration Fee 15 February 2023
    ITSC-24 16-22 March 2023

    Contact Maria Vasys or Leanne Avila to be added to the ITWG email list.